17400385372 has 12 divisors (see below), whose sum is σ = 30792817440. Its totient is φ = 8602437536.

The previous prime is 17400385369. The next prime is 17400385391. The reversal of 17400385372 is 27358300471.

It is a happy number.

It is a super-2 number, since 2×17400385372² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24438388 + ... + 24439099.

It is an arithmetic number, because the mean of its divisors is an integer number (2566068120).

Almost surely, 2^17400385372 is an apocalyptic number.

It is an amenable number.

17400385372 is a deficient number, since it is larger than the sum of its proper divisors (13392432068).

17400385372 is a wasteful number, since it uses less digits than its factorization.

17400385372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48877580 (or 48877578 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 17400385372 in words is "seventeen billion, four hundred million, three hundred eighty-five thousand, three hundred seventy-two".